petsc-3.6.1 2015-08-06
Report Typos and Errors

PCGetInitialGuessNonzero

 Determines if the iterative solver assumes that the initial guess is nonzero; otherwise PC assumes the initial guess is to be zero (and thus zeros it out before solving).

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCGetInitialGuessNonzero(PC pc,PetscBool *flg)
Logically Collective on PC

Input Parameter

pc -iterative context obtained from PCCreate()

Output Parameter

flg -PETSC_TRUE indicates the guess is non-zero, PETSC_FALSE indicates the guess is zero

Keywords

PC, set, initial guess, nonzero

See Also

PCGetInitialGuessNonzero(), PCSetInitialGuessKnoll(), PCGetInitialGuessKnoll(), PCSetInitialGuessNonzero()

Level:Developer
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages